mozilla-releng
diff --git a/‎testing/web-platform/tests/web-share/disabled-by-feature-policy.https.sub.html
+20 b/‎testing/web-platform/tests/web-share/disabled-by-feature-policy.https.sub.html
+20
diff --git a/‎testing/web-platform/tests/web-share/disabled-by-feature-policy.https.sub.html.headers
+1 b/‎testing/web-platform/tests/web-share/disabled-by-feature-policy.https.sub.html.headers
+1
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>WebShare Test: Can be disabled by feature policy</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/resources/testdriver.js"></script>
+    <script src="/resources/testdriver-vendor.js"></script>
+  </head>
+  <body>
+    <script>
+      promise_test(async t => {
+        await test_driver.bless("web share");
+
+        await promise_rejects_dom(t, "NotAllowedError", navigator.share({}));
+      }, "share can be disabled by feature policy");
+    </script>
+  </body>
+</html>
@@ -0,0 +1 @@
+Feature-Policy: web-share 'none'